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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Loans Reclassification Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Transfers from Held-For-Sale	$ 0	$ 0	$ 0
Transfers to Held-For-Sale	(15,206)	0	(1,139,597)
Commercial | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Transfers from Held-For-Sale	0	0	0
Transfers to Held-For-Sale	0	0	0
Commercial | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Transfers from Held-For-Sale	0	0	0
Transfers to Held-For-Sale	(4,367)	0	(573)
Commercial | Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Transfers from Held-For-Sale	0	0	0
Transfers to Held-For-Sale	0	0	(752,087)
Commercial | SBA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Transfers from Held-For-Sale	0	0	0
Transfers to Held-For-Sale	0	0	(559)
Commercial | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Transfers from Held-For-Sale	0	0	0
Transfers to Held-For-Sale	0	0	(2,519)
Consumer | Single family residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Transfers from Held-For-Sale	0	0	0
Transfers to Held-For-Sale	(10,839)	0	(383,859)
Consumer | Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Transfers from Held-For-Sale	0	0	0
Transfers to Held-For-Sale	$ 0	$ 0	$ 0

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- Definition

Financing Receivable, Reclassification From Held-For-Sale

+ References

No definition available.

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- Definition

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+ References

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- Definition

Amount of financing receivable reclassified to held-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 11
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919244-210447

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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